Hi there, Phosphorus works with calcium to help build bones but not only it helps the bones it also helps with the cells and DNA so your answer to this will be D. All of the above. Since it plays an important role in the body it'll make sense for the phosphorus to work with calcium to help with the bones, cells and DNA.
Hope this helped :)
Have a great day
Phosphorus is an element that plays a major role in various body activities. It is found in the bones, cell membrane, and DNA. Thus, option d is correct.
What is the role of phosphorus?Phosphorus is an element that has a major role in many activities and functions in the body. They are present in the bones along with the calcium to build and grow. It is also present in the cell membrane in the form of phospholipids.
They are present in the DNA as the structural element that makes the backbone of the nucleic acid. They are essential and have many structural and functional roles in the body.
Therefore, phosphorus is found in the cell membrane, bones, and DNA.
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CONTRAST: Identify three ways a biologist’s research is different from an astronomer’s.
The biological sciences and astronomical sciences both have their own challenges when it comes to the research. However, these challenges faced during the research differs in both these field of sciences as the method used for any research vary far too much.
In biological science researches, the researchers have the ability to control the environment and other parameters around their subject and be in touch with the concerned researched subject. However, things are not so easy in astronomical sciences, as the researcher is not able to control the parameters like temperature, and humidity when conducting an experiment and making observations.
Moreover, the observations cannot be made at the researcher's will in astronomy as he cannot taste or smell his subjects, but in biology such intimate observations are possible.
Answer:
A) A biologist uses microscopes; an astronomer uses telescopes.
B) A biologist researches living organisms; an astronomer does not.
D) A biologist explores things on Earth; an astronomer explores celestial bodies like stars and planets.
Explanation:
It's right on edge
The carrying capacity of an ecosystem describes the maximum number of organisms that can be supported by the water, food, shelter, etc., that is available in that ecosystem.
What will be the most likely result if an ecosystem tries to exceed its carrying capacity?
A.
More houses will be built to shelter people.
B.
The birth rate will increase.
C.
The death rate will increase.
D.
More food will be grown to meet the demand.
The correct answer choice would be C.) The death rate will increase. As the ecosystem's carrying capacity has been reached, more and more pressure is placed on the supplies the ecosystem can supply, eventually causing a collapse, which causes death rates to skyrocket. Hope this helped!
The answer would be C
i just took the test :)
which food would give the strongest positive test for lipids
The brown paper test for lipids is positive when food is placed on the paper and a spot forms that will allow light to pass through it. Which food would give the strongest positive test for lipids? The answer is The brown paper test for lipids is positive when food is placed on the paper and a spot forms that will allow light to pass through it. Which food would give the strongest positive test for lipids? The answer is Potato chips
A food high in fat, such as butter or olive oil, would yield the strongest positive test for lipids because they are high in lipid content. A solution like the Sudan III stain can be used to visually identify the presence of lipids in a food source.
Explanation:A food that would give the strongest positive test for lipids would be one that is high in fat. For instance, butter or olive oil would yield a strong positive result because they are both very high in lipids.
In a lab, this can be tested using a solution such as the Sudan III stain, which binds to fats and can be visually seen if fat is present. If the solution turns a red color, that indicates the presence of lipids. Given the high lipid content in butter or olive oil, these would react strongly to the solution, indicating a high amount of lipids.
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NEED HELP PLZZZ Observe the two strands of your model. Are they identical, or are they complementary? Explain your answer.
Answer:
Answer:
Yes they are identical.
Answer:
No they are not.
Explanation:
They’re antiparallel because the two strands are “built” in opposite ways: one runs from 3' to 5' while the other is a 5' to 3' direction, 3 and 5 indicating the number of carbon rings in the deoxyribose rings of the sugar-phosphate backbone. It has nothing to do with the coding itself.
Which of the following provides evidence to support the theory of seafloor spreading?
A. Fossils of same plants and animals found in different seas
B. Continents look like puzzle pieces that can be fit into one another
C. Tectonic plates move apart at a divergent boundary located at the mid-ocean ridge
D. Molten magma hardens into rock and no longer aligns with the North and South poles of Earth
It's C , The reason is because as the seafloor spreads, new rock is symmetrically distributed to both sides of the ridge, so the rock on each side has the same pattern of magnetic orientation.
The statement that provides evidence to support the theory of seafloor spreading is as follows:
Tectonic plates move apart at a divergent boundary located at the mid-ocean ridge.Thus, the correct option for this question is C.
What is Seafloor spreading?Seafloor spreading may be defined as the process of construction of fresh regions of oceanic crust which takes place through the uplifting of magma at mid-ocean ridges and its ensuing outward movement on either side.
When this process of seafloor spreading occurs, recently developed rocks are symmetrically distributed to both sides of the ridge, And due to this, the rock on each side has an identical pattern of magnetic orientation.
This magnetic orientation plays a major role in the movement of tectonic plates apart at a divergent boundary located at the mid-ocean ridge.
Therefore, the correct option for this question is C.
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what is An autotrophic protist, such as an algae or diatom I NEED ANSWER ASAP GIVIN 90 POINTS
Answer: Protist
Explanation:
Answer:
Protist is the answer
Explanation:
The Sun is millions of kilometers away. How can heat from the Sun get there?
Solar radiation is light energy from the Sun. So you've got the Sun. Millions of kilometers away from the Earth it sits there with all sorts of nuclear reactions going on. It's constantly giving off a huge amount of energy and radiation.
The Sun's heat reaches Earth via radiation, which allows energy to travel through space as electromagnetic waves over the 150 million kilometer distance. The Sun generates this energy near its core at a temperature of about 15 million Kelvin through nuclear processes. This radiation can cause sunburns, showing the intensity of the Sun's energy output.
The heat from the Sun reaches Earth through a process known as radiation, which is the transfer of energy through space without the need for a physical medium. This is possible because the Sun emits a tremendous amount of energy, primarily in the form of electromagnetic waves, which can travel through the vacuum of space. The distance of approximately 150 million kilometers (93 million miles) does not inhibit the transfer of the Sun's energy to Earth. In fact, the energy distributed by the Sun is generated within about 150,000 kilometers of its core, where the temperature reaches about 15 million Kelvin, allowing for the production of vast amounts of energy through nuclear processes.
Once emitted from the Sun, the energy travels across space and reaches Earth, warming the planet and providing light. Despite the vast distances, the Sun's radiation is powerful enough to cause effects such as sunburns, highlighting just how much energy it emits. This entire process explains why we can feel the Sun's warmth and experience daylight on Earth despite the Sun being millions of kilometers away.
Help me plz!
1) How different are the wet and dry earwax genes?
3 codon difference.
switch of a single DNA unit.
inversion of a segment of DNA 30 units long.
there is no difference, it has to do with a gene being activated.
2) Why is earwax important?
It is like biological flypaper, prevents dust and insects from entering the ear.
It helps keep noise levels down, protecting our ear drums from bursting.
It helps maintain homeostasis.
It assists with balance and maintaining a strong equilibrium.
3) Those of us who tend to sweat a lot and have armpit odor probably have what type of earwax?
Dry earwax
Both wet and dry earwax
Sweat and odor have nothing to do with armpit odor
Wet earwax
5) If a person with wet earwax had offspring with a person who had dry earwax and all 200 of their children had wet earwax, what would be the genotype of the parent with wet earwax?
WW
Ww
ww
can't determine the genotype
Q 1) How different are the wet and dry earwax genes?
Answer:
switch of a single DNA unit.
Explanation
There is a specific gene that is associated with the ear wax and determine whether the people will have dry ear wax or wet ear wax. This gene is known as "ATP-binding cassette C11 gene"
Dry wax type individuals are homozygous for the gene while wet wax type individual have a difference of only one base where adenine is replaced by Guanine. While wet wax type individuals are heterozygous for the gene which means that wet wax type gene is dominant over dry wax type gene.
So we can say that the genetic difference between two genes i due to a mutation that occurred and changed only a single DNA unit base due to which two phenotypes dry and wet ear wax developed.
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2) Why is earwax important?
Answer:
It is like biological flypaper, prevents dust and insects from entering the ear.
Explanation:
Ear wax is also known as cerumen in medical terms which consists of orange, gray or yellowish waxy material. This material is secreted by ear canal in mammals including humans and this has very important role in human life.
The ear wax helps in the lubrication of ear which serves an important role to protect the ear against insects, fungi, water excess and bacteria.
If we see from outside, this ear wax is comprised of hair,skin cells and secretions from sebaceous and ceruminous glands. The major part of ear wax are unsaturated and saturated fatty acids, squalene, cholesterol and alcohols.
In severe cases, ear wax can also cause blockage of ears due to excessive deposition of wax which can lead to serious hearing disabilities.
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3) Those of us who tend to sweat a lot and have armpit odor probably have what type of earwax?
Answer:
Wet earwax
Explanation:
Studies have reported that individual with wet ear wax particularly have more armpit odor due to enhanced production of sweat.Research suggest that the less sweat or body odor was useful for Native Americans and East Asians who used to live in a cold environment and therefore they had dey ear wax. The mutation causing wet ear was specifically is prevalent area wise in more dry areas of the world like Ainu in Japan however as well as Yamato in Japan.
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Q 5: If a person with wet earwax had offspring with a person who had dry earwax and all 200 of their children had wet earwax, what would be the genotype of the parent with wet earwax?
Answer:
WW
Explanation:
As we just studied that wet ear wax trait is dominant over dry ear wax trait, it means that a single copy of dominant allele W is enough for the offspring to have wet ear wax. So is question, it asked that a person with wet ear wax married a women with dry ear wax and had 200 offspring. All the offspring had wet earwax, so it clealry means that their father was homozygous for wet ear was alleles.
Let us see how:
P1: WW x ww
Gametes: W : w
Offspring: Ww: Ww
So, it means that if all offspring had wet ear wax it means that both parents were pure breeding for respective wax types, dry and wet ear wax. Otherwise there would be some proportion of offspring having wet ear wax as well.
Hope it help!
Frederick Griffith made a scientific discovery in 1928. Which best describes the knowledge about genetics before 1928
Scientists did not know how traits were inherited.
Answer: scientist didn’t know how traits were inherited
Explanation: a p e x
Which of the following groups includes members of both the plant and animal kingdom? A Viruses B Fungi C Bacteria D Parasite
None of the groups listed in the given options (Viruses, Fungi, Bacteria, Parasite) include members from both Plant and Animal kingdoms. Each group belongs to its own distinct classification.
Explanation:None of the options (Viruses, Fungi, Bacteria, Parasite) in the question include members of both the Plant and Animal kingdoms. These groups belong exclusively to their own categories. Viruses are not classified in any kingdom because they are not cells and they require a host to replicate. Fungi form their own kingdom, separate from plants, animals, and bacteria. Bacteria also have their own kingdom, separate from plants, animals, and fungi. Lastly, the term "parasite" refers to a way of life, and can involve organisms from various kingdoms, but it does not itself include members of both plant and animal kingdoms.
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None of the options Viruses, Fungi, Bacteria, or Parasites have members from both plant and animal kingdoms. These groups all fall into distinct biological classifications.
Explanation:None of the options presented, namely Viruses, Fungi, Bacteria, and Parasites, includes members of both the plant and animal kingdom. Each of these groups fall into a distinct category of life. Viruses are non-living entities that are not part of any kingdom. Fungi and Bacteria are each a separate kingdom in the biological classification system, distinct from both plants and animals. Parasites can be animal or plant specie, but they cannot be classified as both.
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A __________ is the cell created when a sperm enters an egg
I think it is probably an Embryo.
the answer is
an Embryo.
Which is a biotic element found in the tropical rain forest biome
Abiotic factors (non-living things) in a tropical rainforest include temperature, humidity, soil composition, air, and many others. A few of the many biotic factors (living things) in that forest are toucans, frogs, snakes, and anteaters. All of the biotic factors are dependent upon the abiotic factors
Answer:
Plants
Explanation:
Abiotic factors in the rainforest are any living thing, including rainforest animals, plants, insects, fungi, and microorganisms. These aren't to be confused with abiotic factors, which are non-living things.
The graph shows the citric acid cycle. During the citric acid cycle what happens to acetyl-CoA?
A) it enters the citric acid cycle engage carbon dioxide to form citric acid engage more carbon dioxide do redox reactions to form a four carbon molecule
B) it enters the citric acid cycle and associates with a four carbon molecule form is citric acid and then through redox reactions jet regenerates the four carbon molecule air
C) it enters glycolysis and associates with a five carbon molecule the redox reactions forming another acetyl-CoA
D)It enters the citric acid cycle and associates with a four carbon molecule forming a five carbon compound and then through oxidation reactions regenerates the four-carbon molecule
It enters the citric acid cycle and associates with a 4-carbon molecule, forming citric acid, and then through redox reactions regenerates the 4-carbon molecule.
Answer:
B) it enters the citric acid cycle and associates with a four carbon molecule form is citric acid and then through redox reactions jet regenerates the four carbon molecule.
Explanation:
Acetyl CoA enters the citric acid cycle and reacts with a four carbon compound, that is, oxaloacetate. The reaction forms citric acid (6 carbons) which in turn undergo redox reactions to regenerate the oxaloacetate and the released electrons are accepted by NAD+ and FAD+. The final products of citric acid cycle are CO2, H2O, NADH and FADH2.
state the basic requirement of sexual
reproduction. write the importance of such reproduction in nature
The process of sexual reproduction includes fusion of female and male gametes coming from both the parents. In the process of sexual reproduction, a new individual is produced due to the combination of two haploid gametes, one from the female parent, and the other coming from the male parent.
The importance of sexual reproduction:
1. The joining of DNA from two distinct individuals results in the increase in the genetic variation in the offspring.
2. This further results in diversity in the population that assists in natural selection.
Which is not a deciduous tree? Cedar , maple , hickory , beech
Answer: cedar tree.
Explanation:
Deciduous trees are trees that shed off their leaves seasonally and regrow them during spring.
Examples are maple, hickory,beech, mangoe e.t.c.
Cedar is an evergreen tree. Evergreen tree maintain their leaves in all seasons. Cedar maintain it's leaves in all seasons, it doesn't shed it leaves.
biology helpp please,, tysm !!
reward is 10 points
Cell division helps for a-sexual reproduction in the unicellular organisms. So the the answer would be, B.
Interphase, mitosis, and cytokinesis. Would be the correct answer.
Hope this helps!
Which of the following procedures would best demonstrate cellular osmosis? A. a procedure that uses the skins of potato left overnight in oil B. a procedure that uses a banana that has been left overnight in milk C. a procedure that uses grapes left overnight in a high concentration of salt water D. a procedure that uses a 2-liter bottle filled with oil and water that is left overnight
The correct answer is: C. a procedure that uses grapes left overnight in a high concentration of salt water
Osmosis is the passive process (no energy required) of solvent molecules movement through a selectively permeable membrane. The process is passive because the solvent (water) moves from the region of low solute concentration into a region of high solute concentration. This happens in order to equalize the solute concentrations on the two sides.
In the case of grapes, water will move from the grapes into the high salt surrounding water.
The procedure using grapes left in salt water demonstrates cellular osmosis by showing water migration out of the cells due to the hypertonic environment, resulting in decreased turgor pressure and grape size.
The procedure that would best demonstrate cellular osmosis is the one that involves grapes left overnight in a high concentration of salt water. When grapes, which are cells surrounded by semipermeable membranes, are placed in a hypertonic solution such as salt water, the water inside the grape cells will move out to the salt solution. This is due to osmosis, the diffusion of water from an area of lower solute concentration to an area of higher solute concentration across a semipermeable membrane. The grapes will lose turgor pressure as they become dehydrated, and their size and weight will decrease after being immersed in the hypertonic solution.
The type of heat transfer that causes material in the earth's interior to move is called
Mantle convection is the slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior to the planet's surface. ... This hot added material cools down by conduction and convection of heat.
Convection is the type of heat transfer that causes material in the Earth's interior to move, affecting the movement of tectonic plates.
The type of heat transfer that causes material in the earth's interior to move is known as convection. This process involves convection movement within a gas or liquid, driven by the tendency of hotter, and therefore less dense material, to rise while colder, denser material sinks due to gravity. This results in a transfer of heat. In the Earth's mantle, this movement forms convection cells that drive the movement of tectonic plates. Hotter and less dense mantle material heated above the core rises towards the surface, cools, and then sinks back down at places such as deep sea trenches, completing a convection cell and perpetuating the cycle of heat transfer.
How are chromatids and chromosomes related?
Chromosome and chromatid are closely related structures that are made from DNA molecules. Chromosomes contain genetic information in the form of specific DNA sequences or genes. A single strand of DNA is called a chromosome and two chromatids will form a single chromosome.
Answer:
Chromosome and chromatid are related because there are both made from DNA molecules
Explanation:
What is the greenhouse effect
Answer:
The greenhouse effect is a natural process that occurs due to the accumulation of greenhouse gases such as carbon dioxide, ozone, methane in the earth's surface.
Explanation:
The greenhouse effect is a phenomenon that occurs when the greenhouse gases(carbon dioxide, methane) in the Earth's surface trap heat from the sun and this process makes the Earth's surface warmer.
The greenhouse effect is caused due to burning of fossil fuels and cutting of trees or forests, which increase the concentration of methane, carbon dioxide(greenhouse gases).
The greenhouse effect is a natural mechanism that raises the temperature of the Earth's surface. It occurs when specific gases in the atmosphere capture solar radiation.
The greenhouse gases allow sunlight to enter the atmosphere while trapping heat reflected from the Earth's surface. This trapped heat raises the temperature of the Earth's surface and lower atmosphere.
Its effect is necessary for life on Earth to exist. The average temperature on Earth would be around -18 degrees Celsius (-0.4 degrees Fahrenheit) if the greenhouse effect did not exist.
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What molecular conformation (structure) of homologous chromosomes facilitates crossing over?
tetrad
meiosis II
triads
mitosis
The molecular conformation that facilitates crossing over is: tetrad.
Homologous chromosomes form tetrads composed of four sister chromatids. These chromatids are then able to cross over.
This happens during the stage of Meiosis I - in Meiosis II the tetrad has already split into pairs of sister chromatids.
The tetrad structure of homologous chromosomes facilitates crossing over during meiosis, promoting genetic diversity.
Explanation:The molecular conformation of homologous chromosomes that facilitates crossing over is the tetrad structure. During the Prophase I of meiosis, homologous chromosomes pair up and form a structure known as a tetrad, which consists of four chromatids. The formation of tetrads is crucial for crossing over as it provides a physical basis for the chromosome to exchange genetic material. This process of crossing over results in recombination of genetic material, enhancing genetic diversity.
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How can erosion be slowed down?
by growing tress and by putting down hydro mulch as needed
HELP PLEASE!!!!!!!!!!!
cant help you buddy.. we need to see the graph in order to help you with this
which of the following can result in speciation from bio geographic isolation
The effect of geographic isolation is that the two populations are subjected to different selection (pressures) and geographic conditions. The conditions in the two areas, if different, will produce different alleles in that species and will be selected for, where genetic differences will gradually accumulate between the two different populations.
In time, enough genetic differences will occur so that the two populations will no longer interbreed. Then, by definition, they have become different species.
Louis Pasteur developed the germ theory of disease, which states that many diseases are caused by microorganisms. Had scientists been skeptical but not open minded about the idea,
Answer:
Had scientists been skeptical but not open minded about the idea,it would not have become scientific consensus.
Explanation:
The germ theory of diseases was logically proposed by Louis Pasteur and between the 1860 and 1864 he performed series of experimentation to prove the relationship between diseases and germs.
Main postulate of germ cell theory:
The main postulate of germ cell theory was this that infectious diseases are caused by microbes or small organisms that invade the organisms and make him sick.
Was it accepted at once by scientists?
The germ theory was not accepted at once by all scientific communities because there were contemporaneous of this theory. Some scientists said that inner condition of a person’s cellular body actually determines whether he will suffer from disease or not. Others said that Every disease is associated with a particular condition or the diseases are caused due to unhealthy life style and many others.
How was it accepted:
It was by the middle of 1800s when the germ theory started getting acceptance from majority of scientists worldwide. This was because several experimentation were made around the world which proved that physical existence of germs is mandatory agent for the spread of diseases. During 1890s, viruses were also discovered and therefore a "golden period" of bacteriology started, which led to the approval of germ theory by scientists around the word and it became an accepted theory.
Coming towards the answer of question:
If the scientists always stayed skeptical and not open minded about the germ theory, it would never have gained acceptance and scientific consensus.
Hope it helps!
Peoples choices can have a positive or negative affect on their health describe one positive choice and one negative health choice a person can make be sure to explain how each could impact on individuals heath and if applicable the help of others
One positive choice someone can make to help their health would be to exercise if you are overweight. One negative choice someone can make that can worsen their health would be drinking any alcohol. Exercising when overweight can help your health by decreasing chances of heart diseases and drinking any alcohol to an excessive extent can harm your liver which can lead to death or a journey of pain and complications.
POSITIVE: a positive choice would include is if someone is gaining so much weight, they can start a diet or an exercise plan. Due to this they will control their weight and won't get diabetes(from junk food sugar candy etc.)
NEGATIVE: a negative choice is to smoke which would cause lung problems. People smoke because they have an addiction, and they just can't stop. later on you can die due lung issues.
Which of the following is in the correct order from the smallest to the largest
1)chromosomes,DNA,cell,nucleus
2)DNA,chromosomes,cell,nucleus
3)gene,dna,nucleus,cell
4)chromosome,gene,nucleus,cell
gene,chromosome,dna,nucleus, and cell
if you look it up you will get the following stated below
"nitrogenous base, nucleotide, codon, gene, chromosome, nucleus, and cell"\
an easy way to remember it will to be
the gene tells you what it would be you get one from mom and one from dad
you need genes to link and make chromosomes
chromosomes to link into strands of dna
there is dna in the nucleus and the nucleus in inside the cell.
hopefully this helps.
Final answer:
The correct order from the smallest to the largest is gene, DNA, nucleus, cell, which makes option 3 the correct answer.
Explanation:
To determine which of the following is in the correct order from the smallest to the largest, consider the hierarchical structure of genetic material within a cell. The correct order from smallest to largest is gene, DNA, nucleus, cell. Therefore, the correct option is (3) gene, DNA, nucleus, cell.
Genes are segments of DNA that code for specific proteins and represent the functional units of heredity. DNA (deoxyribonucleic acid) is the molecule that carries the genetic instructions. A nucleus is an organelle within eukaryotic cells that contains the DNA. Finally, the cell is the smallest unit of life, encompassing the nucleus and other organelles.
Which statement best describes the changes shown in the diagram?
A.Over time, one natural area is replaced by another
B.Over time, the number of fish increases
C.The environment goes through seasonal changes
D.Precipitation follows cloud formation
Answer:
A.
Explanation:
Im a few years late but an answer is an answer.
what is genetically modified food?
a) food needed to fuel transformations in genes.
b) a food product with only its own intact genes.
c) food that is only grown in a lab using biotechnology.
d) a good product with genes that have been changed.
Genetically modified food is food produced from plants or animals whose DNA has been altered through genetic engineering. These genetically modified organisms are often called GMOs for short.
d) a food product with genes that have been changed.
In which of the following processes is chemical energy converted to mechanical energy